Page 1
2 HP, 8 GALLON, 115 PSI
PORTABLE AIR COMPRESSOR
Model
95386
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2006 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Manual Revised 09k
Page 2
CONTENTS
IMPORTANT SAFETY
INFORMATION ............................ 3
AIR FILTER MAINTENANCE ...........15
TROUBLESHOOTING ...................... 16
PARTS LIST ................................. 18
GENERAL COMPRESSOR
SAFETY WARNINGS.......................3
AIR COMPRESSOR SAFETY
WARNINGS ...................................... 5
GROUNDING ................................. 6
110-120 V~ GROUNDED
COMPRESSORS:
COMPRESSORS WITH THREE
PRONG PLUGS ...............................6
SYMBOLOGY .....................................7
SPECIFICATIONS .......................... 8
UNPACKING .................................. 8
INSTRUCTIONS FOR PUTTING
INTO USE .................................... 8
FUNCTIONS ....................................... 9
COMPRESSOR AREA SET UP .........9
ASSEMBLY DIAGRAM ................ 19
LIMITED 1 YEAR / 90 DAY
WARRANTY .............................. 20
ASSEMBLY......................................... 9
SET UP ............................................. 10
CHECKING THE OIL ........................10
GENERAL OPERATING
INSTRUCTIONS ........................ 12
EMERGENCY
DEPRESSURIZATION ................... 13
AUTOMATIC SHUT-OFF SYSTEM ..13
MAINTENANCE AND
SERVICING ............................... 14
GENERAL MAINTENANCE .............14
MAINTENANCE SCHEDULE ...........14
CHANGING THE OIL .......................15
DRAINING MOISTURE FROM THE
TANK ..............................................15
Page 2For technical questions, please call 1-800-444-3353.SKU 95386
Page 3
SAVE THIS MANUAL
Keep this manual for the safety
warnings and precautions, assembly,
operating, inspection, maintenance and
cleaning procedures. Write the product’s
serial number in the back of the manual
near the assembly diagram (or month
and year of purchase if product has no
number). Keep this manual and the
receipt in a safe and dry place for future
reference.
IMPORTANT SAFETY
not avoided, could result in
minor or moderate injury.
NOTICE is used to
address practices
not related to personal injury.
CAUTION, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
General Compressor Safety
Warnings
INFORMATION
In this manual, on the labeling,
and all other information
provided with this product:
This is the safety alert
symbol. It is used to alert
you to potential personal
injury hazards. Obey all
safety messages that
follow this symbol to avoid
possible injury or death.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
WARNING
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
WARNING Read all safety
warnings and instructions.
Failure to follow the warnings and
instructions may result in electric
shock, re and/or serious injury.
Save all warnings and
instructions for future reference.
Work area safety1.
Keep work area clean and well a.
lit. Cluttered or dark areas invite
accidents.
Do not operate the Compressor b.
in explosive atmospheres,
such as in the presence of
ammable liquids, gases or dust.
Compressor motors produce sparks
which may ignite the dust or fumes.
Keep children and bystanders c.
away from an operating
compressor.
Electrical safety2.
Compressor plugs must match a.
the outlet. Never modify the
plug in any way. Do not use any
adapter plugs with grounded
compressors. Standard plugs and
Page 3For technical questions, please call 1-800-444-3353.SKU 95386
Page 4
matching outlets will reduce risk of
electric shock.
Do not expose compressor to rain b.
or wet conditions. Water entering
a compressor will increase the risk
of electric shock.
Do not abuse the cord. Never c.
use the cord for unplugging the
compressor. Keep cord away
from heat, oil, sharp edges
or moving parts. Damaged or
entangled cords increase the risk of
electric shock.
Personal safety3.
Stay alert, watch what you are a.
doing and use common sense
when operating this compressor.
Do not use this compressor
while you are tired or under
the inuence of drugs, alcohol
or medication. A moment of
inattention while operating a
compressor may result in serious
personal injury.
Eye protection must be ANSIapproved and breathing protection
must be NIOSH-approved for the
specic hazards in the work area.
Compressor use and care4.
Do not use the compressor if the a.
switch does not turn it on and
off. Any compressor that cannot
be controlled with the switch is
dangerous and must be repaired.
Disconnect the plug from the b.
power source before making
any adjustments, changing
accessories, or storing the
compressor. Such preventive
safety measures reduce the risk of
starting the compressor accidentally.
Store an idle compressor out of c.
the reach of children and do not
allow persons unfamiliar with the
compressor or these instructions
to operate it. A compressor is
dangerous in the hands of untrained
users.
Use personal protective b.
equipment. Always wear eye
protection. Safety equipment
such as a dust mask, non-skid
safety shoes, hard hat, or hearing
protection used for appropriate
conditions will reduce personal
injuries.
Prevent unintentional starting. c.
Ensure the switch is in the offposition before connecting to
power source or moving the
compressor.
Only use safety equipment d.
that has been approved by an
appropriate standards agency.
Unapproved safety equipment may
not provide adequate protection.
Maintain the compressor. Keep d.
the compressor clean for better
and safer performance. Following
instructions for lubricating and
changing accessories. Keep
dry, clean and free from oil and
grease. Check for misalignment or
binding of moving parts, breakage
of parts and any other condition
that may affect the compressor’s
operation. If damaged, have the
compressor repaired before use.
Many accidents are caused by a
poorly maintained compressor.
Use the compressor in e.
accordance with these
instructions, taking into account
the working conditions and the
work to be performed. Use of the
Page 4For technical questions, please call 1-800-444-3353.SKU 95386
Page 5
compressor for operations different
from those intended could result in a
hazardous situation.
Service5.
Have your compressor serviced a.
by a qualied repair person using
only identical replacement parts.
This will ensure that the safety of the
compressor is maintained.
Air Compressor Safety Warnings
Do not remove the valve cover or 9.
adjust internal components.
Compressor head gets hot during 10.
operation. Do not touch it or allow
children nearby during or immediately
following operation.
Do not use the air hose to move the 11.
compressor.
Release the pressure in the storage 12.
tank before moving.
Risk of re or explosion - do not 1.
spray ammable liquid in a conned
area or towards a hot surface. Spray
area must be well-ventilated. Do not
smoke while spraying or spray where
spark or ame is present. Arcing
parts - keep compressor at least 20
feet away from explosive vapors,
such as when spraying with a spray
gun.
Risk of bursting - Do not adjust 2.
regulator higher than marked
maximum pressure of attachment.
Risk of injury - Do not direct air 3.
stream at people or animals.
To reduce the risk of electric shock, 4.
do not expose to rain. Store indoors.
Wear ANSI-approved safety goggles 5.
during use.
Do not use to supply breathing air. 6.
Drain Tank daily and after use. 7.
Internal rust causes tank failure and
explosion.
Add correct amount of compressor 8.
oil before rst use and every use.
Operating with low or no oil causes
permanent damage and voids
warranty.
The use of accessories or 13.
attachments not recommended by
the manufacturer may result in a risk
of injury to persons.
All air line components, including 14.
hoses, pipe, connectors, lters, etc.,
must be rated for a minimum working
pressure of 150 PSI, or 150% of
the maximum system pressure,
whichever is greater.
USE OF AN EXTENSION CORD 15.
IS NOT RECOMMENDED. If you
choose to use an extension cord, use
the following guidelines:
RECOMMENDED MINIMUM WIRE
GAUGE FOR EXTENSION CORDS
(120 VOLT)
NAMEPLATE
AMPERES
(at full load)
0 – 6 18 16 16 14
6.1 – 10 18 16 14 12
10.1 – 12 16 16 14 12
12.1 – 16 14 12 Do not use.
EXTENSION CORD
LENGTH
25’ 50’ 100’ 150’
TABLE A
Make sure your extension cord is in a.
good condition.
Be sure to use an extension cord b.
which is heavy enough to carry the
Page 5For technical questions, please call 1-800-444-3353.SKU 95386
Page 6
current your product will draw. An
undersized cord will cause a drop in
line voltage resulting in loss of power
and overheating. Table A shows
the correct size to use depending
on cord length and nameplate
ampere rating. If in doubt, use the
next heavier gauge. The smaller the
gauge number, the heavier the cord.
common sense and caution are
factors which cannot be built into this
product, but must be supplied by the
operator.
SAVE THESE
INSTRUCTIONS.
Industrial applications must follow 16.
OSHA guidelines.
Maintain labels and nameplates 17.
on the compressor. These carry
important safety information. If
unreadable or missing, contact
Harbor Freight Tools for a
replacement.
This product is not a toy. Keep it out 18.
of reach of children.
Operate unit on level surface. Check 19.
oil level daily and ll to marked level if
needed.
People with pacemakers should 20.
consult their physician(s) before
use. Electromagnetic elds in close
proximity to heart pacemaker could
cause pacemaker interference or
pacemaker failure.
WARNING: The brass components 21.
of this product contain lead, a
chemical known to the State of
California to cause birth defects (or
other reproductive harm). (California
Health & Safety code § 25249.5, et
seq.)
The warnings, precautions, 22.
and instructions discussed in
this instruction manual cannot
cover all possible conditions and
situations that may occur. It must
be understood by the operator that
GROUNDING
TO PREVENT
ELECTRIC SHOCK
AND DEATH FROM
INCORRECT GROUNDING
WIRE CONNECTION:
Check with a qualied
electrician if you are in doubt
as to whether the outlet is
properly grounded. Do not
modify the power cord plug
provided with the compressor.
Never remove the grounding
prong from the plug. Do not
use the compressor if the
power cord or plug is
damaged. If damaged, have it
repaired by a service facility
before use. If the plug will not
t the outlet, have a proper
outlet installed by a qualied
electrician.
110-120 V~ Grounded
Compressors: Compressors with
Three Prong Plugs
In the event of a malfunction or 1.
breakdown, grounding provides a
path of least resistance for electric
current to reduce the risk of electric
shock. This compressor is equipped
with an electric cord having an
equipment-grounding conductor and
a grounding plug. The plug must be
Page 6For technical questions, please call 1-800-444-3353.SKU 95386
Page 7
plugged into a matching outlet that
is properly installed and grounded in
accordance with all local codes and
ordinances.
Do not modify the plug provided – 2.
if it will not t the outlet, have the
proper outlet installed by a qualied
electrician.
Improper connection of the 3.
equipment-grounding conductor can
result in a risk of electric shock. The
conductor with insulation having
an outer surface that is green with
or without yellow stripes is the
equipment-grounding conductor. If
repair or replacement of the electric
cord or plug is necessary, do not
connect the equipment-grounding
conductor to a live terminal.
This compressor is intended for use 7.
on a circuit that has an outlet that
looks like the one illustrated above
in 120 V~ 3-Prong Plug and Outlet.
The compressor has a grounding
plug that looks like the plug illustrated
above in 120 V~ 3-Prong Plug and
Outlet.
The outlet must be properly installed 8.
and grounded in accordance with all
codes and ordinances.
Do not use an adapter to connect this 9.
compressor to a different outlet.
Symbology
Double Insulated
Canadian Standards Association
Check with a qualied electrician or 4.
service personnel if the grounding
instructions are not completely
understood, or if in doubt as to
whether the compressor is properly
grounded.
Use only 3-wire extension cords that 5.
have 3-prong grounding plugs and
3-pole receptacles that accept the
compressor’s plug.
Repair or replace damaged or worn 6.
cord immediately.
Grounding
Pin
V~
A
n0 xxxx/min.
Underwriters Laboratories, Inc.
Volts Alternating Current
Amperes
No Load Revolutions per Minute
(RPM)
120 V~ 3-Prong Plug and Outlet
(for up to 120 V~ and up to 15 A)
Page 7For technical questions, please call 1-800-444-3353.SKU 95386
Page 8
SPECIFICATIONS
Electrical
Requirements
Amperage
Air Outlet Size 1/4” -18 NPT
Air Pressure
Air Tank Capacity 8 Gallons
Air Flow Capacity
Oil Type
120 V~ / 60 Hz / 2 HP
7.4 Running Amps
(Dedicated circuit
recommended)
Auto Shut-Off @ 115 PSI
Restart @ 80 PSI
5 SCFM @ 90 PSI
6 SCFM @ 40 PSI
SAE 30W non-detergent
Air Compressor Oil
(Sold separately)
(SKU 95048)
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
OPERATION:
Push the Power Button “OFF”
and unplug the Air
Compressor from its electrical
outlet before assembling or
making any adjustments to
the compressor.
Note: For additional information regarding
the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.
UNPACKING
When unpacking, make sure that the
item is intact and undamaged. If any parts
are missing or broken, please call Harbor
Freight Tools at 1-800-444-3353 as soon
as possible.
Note: There is a protective plastic piece
inserted underneath the Protective
Cover (12) to protect the product
during transit. This plastic piece
must be removed before using the Air
Compressor.
INSTRUCTIONS FOR
PUTTING INTO USE
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
Page 8For technical questions, please call 1-800-444-3353.SKU 95386
Page 9
Functions
Tank Pressure
Gauge (54)
Drain Valve (65)
Output
Pressure
Gauge
(60)
ON/OFF Power
Button
(On Pressure
Switch (55))
Regulator
(58)
Air Outlet
Valve (59)
the unit. Keep at least 12” of space
around the unit to allow air circulation.
Route the power cord from the 3.
compressor to the grounded wall
outlet, along a safe path without
creating a tripping hazard or exposing
the power cord to possible damage.
Assembly
Attaching the Foot and Wheels
To attach the Foot (66) to the front 1.
bottom of the Air Tank (1):
CLOSED
OPEN
(33)
CONNECT
AIR HOSE
HERE.
Oil Plug (31)
Safety Valve
(56)
Air Outlet Valve (59)
(TOP VIEW)
Oil Sight Glass
Figure 1
Compressor Area Set Up
Designate a work area that is clean 1.
and well-lit. The work area must not
allow access by children or pets to
prevent injury.
Using the Bolt/Washer/Nut Assembly a.
(67), slide a at washer onto the
Bolt.
Slide the Bolt through the Foot and b.
the hole in the Air Tank front leg.
Slide a at washer and the lock c.
washer onto the bolt and secure in
place with the nut.
To attach the Wheels (5) to the back 2.
bottom of the Air Tank (1):
Slide the Wheel Shaft Bolt (6) a.
through the Wheel (5), a Flat
Washer (4), and the hole in the leg
of the Air Tank.
Slide the remaining Flat Washer (4) b.
and Lock Washer (3) onto the Wheel
Shaft Bolt and secure in place with
the Nut (2).
Repeat step (a) and (b) for the other c.
Wheel.
Locate the Compressor on a at 2.
level surface to ensure proper pump
lubrication and to prevent damage to
Page 9For technical questions, please call 1-800-444-3353.SKU 95386
Page 10
Installing the Air Filter
Cylinder Head (46) Air Filter (45)
Figure 2
Thread the Air Filter (45) clockwise
onto the side of the Cylinder Head
(46).
Set up
Depending on the tool which you will 2.
be using with this compressor, you
may need to incorporate additional
components, such as an in-line oiler,
a lter, or a dryer (all sold separately).
Consult your air tool’s manual for
needed accessories.
Checking the Oil
IMPORTANT: Running the Air
Compressor with no oil or low
oil will cause damage to the
equipment and void the warranty.
Crankcase Cover (32)
Oil Sight Glass (33)
Tool
Shut
Off
Valve
Quick
Coupler
Coupler
Plug
Quick
Coupler
FilterOiler
Regulator with
Pressure Gauge
Coupler
Plug
Air Hose
on Reel
Air
Compressor
Sample Air Line Setup
Figure 4
1. Connect a 1/4” NPT air hose to the
Quick Coupler (all sold separately).
The air hose must be long enough
to reach the work area with enough
extra length to allow free movement
while working.
OIL LEVEL
OVERFILL
FULL
LOW
Figure 5
1. The oil level should be at the center
of the “full” level on the Oil Sight
Glass (33), as shown in Figure 5. Add
oil as needed to maintain this level.
Do not let the oil level go below the
center dot (LOW as shown in Figure
5) and do not overll the oil so that it
is above the center dot (OVERFILL
as shown in Figure 5) on the sight
glass.
To add oil:2.
Unthread the Oil Plug (31).a.
Using a funnel to avoid spills, b.
pour enough premium quality
SAE 30-weight, non-detergent, air
compressor oil (sold separately) into
Page 10For technical questions, please call 1-800-444-3353.SKU 95386
Page 11
the Pump Crankcase to reach the
“full” level in the Oil Sight Glass.
Replace the Oil Plug.c.
If uncertain which oil to use for this 3.
compressor, please call Harbor
Freight Tools customer service at
1-800-444-3353 for assistance.
Change the compressor oil after 4.
the rst hour of use to remove any
debris.
WARNING! To prevent serious injury from
burns: Do not add or change the oil
while the compressor is in operation.
Allow the compressor to cool before
replacing oil.
Initial run of the Air Compressor
Break in the new Air Compressor as 5.
follows:
Check the oil level (See Checking a.
the Oil).
Make sure the Power Button is OFF b.
and the unit is unplugged. Insert a
male coupler (sold separately) into
the female Quick Coupler and fully
open all regulators and valves.
Plug in the Power Cord.c.
Turn the Power Switch ON.d.
Let the unit run for 30 minutes. Air e.
will expel freely through the Coupler.
Turn the Power Button OFF.f.
Unplug the Power Cord and remove g.
the male coupler.
Page 11For technical questions, please call 1-800-444-3353.SKU 95386
Page 12
GENERAL OPERATING
INSTRUCTIONS
will cause the compressor to operate
too often, increasing wear on the
compressor.
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
Close the Drain Valve (65) by turning 1.
it counterclockwise.
Make sure all nuts and bolts are tight.2.
Check for oil leaks and check the oil 3.
level (See Checking the Oil).
Close the in-line Shutoff Valve 4.
between the compressor and the air
hose.
Make sure the air tool’s throttle or 5.
switch is in the off position.
Connect the air tool to the air hose. 6.
Plug the Air Compressor Power Cord 7.
into a grounded 120 V electrical
outlet.
Open the in-line Shutoff Valve.8.
Turn the compressor ON by pulling 9.
up on the On/Off Power Button.
Allow the Air Compressor to build up 10.
pressure until it cycles off.
Note: As long as the Power Button is ON,
the operation of the Air Compressor
is automatic, controlled by the
internal Pressure Switch (55). The
Compressor will turn on automatically
when the air pressure drops to 80 PSI
as indicated on the Pressure Gauge,
and will turn off automatically when
the air pressure reaches 115 PSI as
indicated. IMPORTANT: The internal
Pressure Switch (55) is not user
adjustable, do not make changes
to the air pressure settings of the
internal Pressure Switch. Any
change to the automatic pressure
levels may cause excess pressure
to accumulate, causing a hazardous
situation.
Adjust the Air Compressor’s 11.
Regulator (58) so that the air output
is enough to properly power the tool,
but the output will not exceed the
tool’s maximum air pressure at any
time. Turn the knob clockwise to
increase the pressure and counterclockwise to decrease pressure.
Adjust the pressure gradually, while
checking the air output gauge to set
the pressure.
Use the air tool as needed.12.
Note: At the beginning of the day’s rst
use of the Air Compressor, check for
air leaks by applying soapy water to
connections while the Air Compressor
is pumping and after pressure
cut-out. Look for air bubbles. If air
bubbles are present at connections,
tighten connections. Do not use the
air compressor unless all connections
are air tight, the extra air leaking out
After the job is complete, turn the 13.
Compressor OFF by pushing down
on the On/Off Button.
Unplug the Air Compressor.14.
Close the in-line Shutoff Valve.15.
Bleed air from the tool then 16.
disconnect the tool.
Page 12For technical questions, please call 1-800-444-3353.SKU 95386
Page 13
Turn the Drain Valve, at the bottom 17.
of the Tank, one full turn counter
clockwise, to release any builtup moisture and the internal tank
pressure. Close the valve after
moisture has drained out. Do not
remove the Drain Valve.
Pull up on the ON/OFF Power e.
Button.
Resume operation.f.
Possible causes of repeated 2.
automatic shut off of the compressor
are:
Clean, then store the Air Compressor 18.
indoors.
Emergency Depressurization
If it is necessary to quickly
depressurize the Compressor, turn
OFF the Compressor by pushing
down on the On/Off Button. Then,
pull on the ring on the Safety Valve
(56) to quickly release stored air
pressure.
Automatic Shut-off System
Reset
Button
(20)
Using an extension cord that is too a.
long or narrow;
An air leak or open hose causing the b.
compressor to cycle too often and
build up heat.
Correct any issues before further use 3.
to avoid damage to the compressor.
Figure 6
1. If the Compressor automatically shuts
off:
Disconnect all tools.a.
Push down on the ON/OFF Power b.
Button.
Wait until the Compressor cools c.
down (about 10 minutes);
Press the Reset Button (20) to start d.
the compressor;
Page 13For technical questions, please call 1-800-444-3353.SKU 95386
Page 14
MAINTENANCE AND
SERVICING
it must be replaced only by a
qualied service technician.
Procedures not specically
explained in this manual
must be performed only by a
qualied technician.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
OPERATION:
Push the Power Button “OFF”
and unplug the Compressor
from its electrical outlet
before performing any
inspection, maintenance, or
cleaning procedures.
TO PREVENT SERIOUS
INJURY FROM COMPRESSOR
FAILURE:
Do not use damaged
equipment. If abnormal noise
or vibration occurs, have the
problem corrected before
further use.
General Maintenance
Maintenance Schedule
Following are general guidelines
for maintenance checks of the Air
Compressor.
Note: The environment in which the
compressor is used, and the
frequency of use can affect how
often you will need to check the
Air Compressor components and
perform maintenance procedures.
Daily:
Check oil level.a.
Check for oil leaks.b.
Make sure all nuts and bolts are c.
tight.
Drain moisture from air tank.d.
Check for abnormal noise or e.
vibration.
Check for air leaks.f.
Wipe off any oil or dirt from the g.
compressor.
**
*
BEFORE EACH USE,1. inspect
the general condition of the Air
Compressor. Check for loose
hardware, misalignment or binding
of moving parts, damaged belts,
cracked or broken parts, damaged
electrical wiring, and any other
condition that may affect its safe
operation.
AFTER USE,2. wipe external surfaces
of the compressor with a clean cloth.
3. WARNING! If the supply cord
of this compressor is damaged,
Weekly:
Inspect Air Filter (45).a.
Inspect Oil Breather Plug.b.
Monthly:
Inspect Safety Valve (56).a.
Check belt adjustment (if provided).b.
* To check for air leaks, apply soapy
water to joints while the Air Compressor is
pressurized. Look for air bubbles.
** To clean the compressor surface, wipe
with a damp cloth, using a mild detergent
or mild solvent.
Page 14For technical questions, please call 1-800-444-3353.SKU 95386
Page 15
Every 6 months or 100 Operation
Hours:
Replace Pump oil.
***
Changing the Oil
Check the oil periodically for clarity.
Replace oil if it appears milky or if
debris is present, or every 6 months,
or 100 hours of runtime, whichever
comes rst.
WARNING: Risk of personal injury hazard.
Allow Air Compressor to cool before
changing the oil.
To drain the oil from the Pump
Crankcase:
Place a container under the Oil Drain a.
Plug (24).
Remove the Oil Plug (31) to allow air b.
ow into the Pump.
Draining Moisture from the Tank
The Drain Valve (65) is located under
the Air Tank (1). It must be accessed
daily to release all trapped air and
moisture from the Tank. This will
eliminate condensation which can
cause tank corrosion.
Note: Do not open the Drain Valve so that
more than four threads are showing.
To empty the air and condensation:
Make sure the Power Button of the a.
compressor is off.
Place a collection pan under the b.
Drain Valve.
Unthread the Drain Valve by turning c.
it counterclockwise one full turn
ONLY.
When all the pressure and moisture d.
is released, close the Drain Valve.
Remove the Oil Drain Plug, allowing c.
the oil to drain into the container.
When the oil is completely drained d.
from the Pump, replace the Oil Drain
Plug.
Fill the Pump with new compressor e.
oil to the FULL level on the Oil Sight
Glass.
Replace and tighten the Oil Plug.f.
Discard the old oil according to local, g.
state and federal regulations.
Air Filter Maintenance
Check the Air Filter (45) weekly
to see if it needs replacement. If
working in dirty environments, you
may need to replace the lter more
often. To replace the Air Filter:
Unthread the Air Filter a.
counterclockwise.
Replace with a new Air Filter.b.
*** Use Air Compressor Oil only (sold
separately - SKU 95048).
Page 15For technical questions, please call 1-800-444-3353.SKU 95386
Page 16
Troubleshooting
Problem Possible Causes Likely Solutions
Compressor does
not start or restart
Compressor builds
pressure too slowly
Compressor not
building enough air
pressure
High Oil
Consumption
Incorrect power supply.1.
No power at outlet. 2.
Power cord not plugged in 3.
properly.
Thermal overload switch 4.
tripped.
Building power supply circuit 5.
tripped or blown fuse.
Tanks are pressurized.6.
Cord wire size is too small or 7.
cord is too long to properly
power compressor.
Compressor needs service.8.
Incorrect power supply.1.
Crankcase overlled with oil or 2.
oil too thick.
Working environment too cold. 3.
Safety valve needs service. 4.
Loose ttings.5.
Filters need cleaning/replacing. 1.
Crankcase oil too thick. 2.
Check Valve needs service.3.
Compressor not large enough 4.
for job.
Loose ttings. 5.
Hose or hose connections not 6.
adequate.
High altitude reducing air 7.
output.
Crankcase oil too thin. 1.
Unit not on level surface.2.
Crankcase vent clogged.3.
Check that circuit matches compressor requirements.1.
Reset circuit breaker, or have outlet serviced by a 2.
qualied technician.
Check that cord is plugged in securely. 3.
Turn off Tool. Turn off Compressor and wait for it to 4.
cool down. Press reset button. Resume operation.
Reset circuit or replace fuse. Check for low voltage 5.
conditions. It may be necessary to disconnect other
electrical appliances from the circuit or move the
compressor to its own circuit.
Fully bleed tanks of air.6.
Use larger diameter or shorter extension cord or 7.
eliminate extension cord. See Recommended Wire
Gauge for Extension Cords in Safety section.
Have unit inspected by a qualied technician.8.
Check that circuit matches compressor requirements.1.
Drain oil and rell to proper level with recommended 2.
oil.
Move unit to a warmer location. Check that 3.
recommended oil is in crankcase.
Listen for air leaking from valve. If leaking replace with 4.
identical valve with same rating.
Reduce air pressure, then check all ttings with a soap 5.
solution for air leaks and tighten as needed. Do not
overtighten.
Check inlet and outlet lters. Clean and/or replace as 1.
needed.
Drain oil and rell to proper level with recommended 2.
oil.
Clean or replace, as needed.3.
Check if accessory SCFM is met by Compressor. If 4.
Compressor cannot supply enough air ow (SCFM),
you need a larger Compressor.
Reduce air pressure, then check all ttings with a soap 5.
solution for air leaks and tighten as needed. Do not
overtighten.
Replace with larger hose and/or hose connections. 6.
You may need a larger compressor if you are situated 7.
in a high altitude location.
Drain oil and rell to proper level with recommended 1.
oil.
Reposition unit on a level surface.2.
Clean Crankcase vent.3.
Follow all safety precautions whenever diagnosing or servicing the
compressor. Disconnect power supply before service.
Page 16For technical questions, please call 1-800-444-3353.SKU 95386
Page 17
Problem Possible Causes Likely Solutions
Overheating Filters need cleaning/replacing. 1.
Compressor
starts and stops
excessively
Crankcase oil too thin or 2.
incorrect type.
Crankcase oil level too low.3.
Unusually dusty environment. 4.
Cord is too small of a gauge or 5.
too long to handle compressor.
Unit not on level surface.6.
Compressor not large enough 1.
for job.
Loose ttings.2.
Check inlet and outlet lters. Clean and/or replace as 1.
needed.
Drain oil and rell to proper level with recommended 2.
oil.
Add oil to proper level, check for leaks.3.
Clean and/or replace lters more often or move unit to 4.
cleaner environment.
Increase cord size or use shorter length extension 5.
cord, or eliminate extension cord. See Recommended
Wire Gauge for Extension Cords in Safety section.
Reposition unit on a level surface.6.
Check if accessory SCFM is met by Compressor. If 1.
Compressor doesn’t reach accessory SCFM, you need
a larger Compressor.
Reduce air pressure, then check all ttings with a soap 2.
solution for air leaks and tighten as needed. Do not
overtighten.
Excessive noise Crankcase overlled with oil 1.
or oil is incorrect thickness or
type.
Crankcase oil level too low.2.
Loose or damaged belt guard.3.
Loose ttings. 4.
Unit not on level surface.5.
Moisture in
discharge air
Oil in discharge air Crankcase oil too thin or 1.
Safety Valve “pops” Safety valve needs service. Pull on test ring of safety valve. If it still pops, replace.
Air leaks from pump
or ttings
Air leaks from tank Defective or rusted tank. Have tank replaced by a qualied technician.
Too much moisture in air. Install inline air lter/dryer, and/or relocate to less humid
crankcase overlled with oil.
Crankcase vents clogged.2.
Loose ttings. Reduce air pressure, then check all ttings with a soap
Drain oil and rell to proper level with recommended 1.
oil.
Add oil to proper level, check for leaks.2.
Replace belt guard.3.
Reduce air pressure, then check all ttings with a soap 4.
solution for air leaks and tighten as needed. Do not
overtighten.
Reposition unit on a level surface.5.
environment.
Drain oil and rell to proper level with recommended 1.
oil.
Clean Crankcase vents.2.
solution for air leaks and tighten as needed. Do not
overtighten.
Follow all safety precautions whenever diagnosing or servicing the
compressor. Disconnect power supply before service.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY
DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR
DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT
HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS
QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/
OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD
BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE
BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE
ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER
INSTALLATION OF REPLACEMENT PARTS THERETO.
Page 17For technical questions, please call 1-800-444-3353.SKU 95386
Page 18
PARTS LIST
Part Description Qty
1 Air Tank 1
2 Nut M8 2
3 Lock Washer 8 2
4 Flat Washer 2
5 Wheel 2
6 Wheel Shaft Bolt 2
7 Exhaust Pipe Assembly 1
8 Pipe Sleeve 1
9 Nut 1
10 Spring Washer 4
11 Spring Ring 1
12 Protection Cover 1
13 Fan 1
14 Motor Cover 1
15 Wave Washer 1
16 Bearing 6202-RZ 1
17 Screw 4
18 Stator 1
19 Rotator Assembly 1
20 Reset Button 1
21 Capacitor 1
22 Oil Drain Plug 1
23 Nut 1
24 Oil Drain Plug 1
25 Bearing 6204-AZ 1
26 Oil Seal B20 40 1
27 Crankcase 1
29 Crank 1
30 Crankcase Cover Gasket 1
31 Oil Plug 1
32 Crankcase Cover 1
33 Oil Sight Glass 1
34 Screw 6
Part Description Qty
35 Handle 1
36 Cylinder Gasket 1
37 Connecting Rod 1
38 Piston 1
39 Oil Clean Ring 1
40 Seal Ring 1
41 Cylinder 1
42 Valve Plate Gasket 1
43 Ring-Angle Connector 1
44 Screw 4
45 Air Filter 1
46 Cylinder Head 1
47 Cylinder Gasket 1
48 Valve Plate Assembly 1
49 Limit Pin 1
50 Air Intake Valve 1
51 Piston Pin 1
52 Circlip 1
53 Lock Nut 1
54 Tank Pressure Gauge 1
55 Pressure Switch 1
56 Safety Valve 1
57 Connector 1
58 Regulator 1
59 Air Outlet Valve 1
60 Output Pressure Gauge 1
61 Bolt 4
62 Unload Pipe 1
63 Unloader Valve 1
64 Cord and Plug 1
65 Drain Valve 1
66 Rubber Foot 1
67 Bolt, Washer, Nut Assembly 1
Page 18For technical questions, please call 1-800-444-3353.SKU 95386
Page 19
ASSEMBLY DIAGRAM
Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts.
Page 19For technical questions, please call 1-800-444-3353.SKU 95386
Page 20
LIMITED 1 YEAR / 90 DAY WARRANTY
Harbor Freight Tools Co. makes every effort to assure that its products meet
high quality and durability standards, and warrants to the original purchaser that for a
period of one year from date of purchase that the tank is free of defects in materials
and workmanship (90 days if used by a professional contractor or if used as rental
equipment). Harbor Freight Tools also warrants to the original purchaser, for a period of
ninety days from date of purchase, that all other parts and components of the product
are free from defects in materials and workmanship. This warranty does not apply to
damage due directly or indirectly to misuse, abuse, negligence or accidents, repairs or
alterations outside our facilities, normal wear and tear, or to lack of maintenance. We
shall in no event be liable for death, injuries to persons or property, or for incidental,
contingent, special or consequential damages arising from the use of our product.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation of exclusion may not apply to you. THIS WARRANTY
IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us
with transportation charges prepaid. Proof of purchase date and an explanation of the
complaint must accompany the merchandise. If our inspection veries the defect, we
will either repair or replace the product at our election or we may elect to refund the
purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that
the defect resulted from causes not within the scope of our warranty, then you must
bear the cost of returning the product.
This warranty gives you specic legal rights and you may also have other rights
which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not
available individually as replacement parts.
Page 20For technical questions, please call 1-800-444-3353.SKU 95386
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